从瑞典自驾去挪威如果在挪威买了东西怎么退税

可以在离开申根国的出境机场退税。

http://www.globalblue.cn/customer-services/tax-free-shopping/tax-free-shopping-faqs/
http://www.globalblue.cn/customer-services/tax-free-shopping/refund-points/norway/oslo1/